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Individual Calculations December 2019 |
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| Piotrowski, Grzegorz Total change: 30.20 | |   |
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| 77th Hampstead FIDE Chess Congress U2200 | London | ENG | 2019-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1812 | 3.50 | 5 | 1.51 | 20 | 30.20 | |
|  Kumar, Soham | | | 1514 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Bratholm, Palle | | | 2073 | DEN | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Kesterson, Kennan | | | 1864 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Matei, Ciprian | | | 1913 | ROU | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Tavoularis, Nicholas | | | 2083 | GRE | 0.00 | 1 | -0.17 | 20 | -3.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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